JP2015161776A5 - Imaging device, imaging system, light emitting device, and focus detection method - Google Patents

Imaging device, imaging system, light emitting device, and focus detection method Download PDF

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JP2015161776A5
JP2015161776A5 JP2014036628A JP2014036628A JP2015161776A5 JP 2015161776 A5 JP2015161776 A5 JP 2015161776A5 JP 2014036628 A JP2014036628 A JP 2014036628A JP 2014036628 A JP2014036628 A JP 2014036628A JP 2015161776 A5 JP2015161776 A5 JP 2015161776A5
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本発明は、補助光を被写界側へ照射して被写体に対する焦点検出を行う撮像装置及び撮像システム、その撮像システムが有する発光装置、撮像システムにおける焦点検出方法に関する。 The present invention relates to an imaging apparatus and an imaging system that perform focus detection on a subject by irradiating auxiliary light to the object side, a light emitting apparatus included in the imaging system, and a focus detection method in the imaging system.

本発明に係る撮像装置は、本体に対して照射方向が変更可能な第１の発光部と前記本体に対して照射方向が固定された第２の発光部とを有する発光装置の装着が可能な撮像装置であって、焦点検出手段と、前記第１の発光部の照射方向に関する情報を取得する取得手段と、前記取得手段により取得した前記照射方向に関する情報に基づいて、前記第１の発光部と前記第２の発光部のいずれか一方が前記焦点検出手段で焦点検出を行うときに補助光を照射させる発光部となるように制御する制御手段と、を有することを特徴とする。 The image pickup apparatus according to the present invention can be mounted with a light emitting device having a first light emitting unit whose irradiation direction can be changed with respect to the main body and a second light emitting unit whose irradiation direction is fixed with respect to the main body. An imaging apparatus comprising: a focus detection unit; an acquisition unit that acquires information about an irradiation direction of the first light-emitting unit; and the first light-emitting unit based on information about the irradiation direction acquired by the acquisition unit And control means for controlling so that either one of the second light-emitting sections becomes a light-emitting section that emits auxiliary light when focus detection is performed by the focus detection means .

Claims (20)

本体に対して照射方向が変更可能な第１の発光部と前記本体に対して照射方向が固定された第２の発光部とを有する発光装置の装着が可能な撮像装置であって、An imaging device capable of mounting a light emitting device having a first light emitting unit whose irradiation direction can be changed with respect to a main body and a second light emitting unit whose irradiation direction is fixed to the main body,
焦点検出手段と、A focus detection means;
前記第１の発光部の照射方向に関する情報を取得する取得手段と、Obtaining means for obtaining information on the irradiation direction of the first light emitting unit;
前記取得手段により取得した前記照射方向に関する情報に基づいて、前記第１の発光部と前記第２の発光部のいずれか一方が前記焦点検出手段で焦点検出を行うときに補助光を照射させる発光部となるように制御する制御手段と、を有することを特徴とする撮像装置。Based on the information on the irradiation direction acquired by the acquisition unit, light emission that causes one of the first light-emitting unit and the second light-emitting unit to emit auxiliary light when focus detection is performed by the focus detection unit An image pickup apparatus comprising: a control unit configured to control to be a unit. 前記制御手段は、前記取得手段により取得した前記照射方向に関する情報が前記第１の発光部の照射方向が基準方向であることを示す場合、前記第１の発光部が前記補助光を照射させる発光部となるように制御することを特徴とする請求項１に記載の撮像装置。When the information on the irradiation direction acquired by the acquisition unit indicates that the irradiation direction of the first light emitting unit is a reference direction, the control unit emits light that causes the first light emitting unit to emit the auxiliary light. The imaging apparatus according to claim 1, wherein the imaging apparatus is controlled so as to be a unit. 前記制御手段は、前記取得手段により取得した前記照射方向に関する情報が前記第１の発光部の照射方向が前記基準方向でないことを示す場合、前記第２の発光部が前記補助光を照射させる発光部となるように制御することを特徴とする請求項２に記載の撮像装置。The control unit emits light that causes the second light emitting unit to emit the auxiliary light when the information on the irradiation direction acquired by the acquiring unit indicates that the irradiation direction of the first light emitting unit is not the reference direction. The imaging apparatus according to claim 2, wherein the imaging apparatus is controlled so as to be a part. 前記制御手段は、前記取得手段により取得した前記照射方向に関する情報が前記第１の発光部の照射方向が基準方向を含む所定の範囲内であることを示す場合、前記第１の発光部が前記補助光を照射させる発光部となるように制御することを特徴とする請求項１に記載の撮像装置。When the information on the irradiation direction acquired by the acquiring unit indicates that the irradiation direction of the first light emitting unit is within a predetermined range including a reference direction, the first light emitting unit is The imaging apparatus according to claim 1, wherein the imaging device is controlled to be a light emitting unit that emits auxiliary light. 前記制御手段は、前記取得手段により取得した前記照射方向に関する情報が前記第１の発光部の照射方向が前記所定の範囲内ではないことを示す場合、前記第２の発光部が前記補助光を照射させる発光部となるように制御することを特徴とする請求項４に記載の撮像装置。When the information on the irradiation direction acquired by the acquisition unit indicates that the irradiation direction of the first light emitting unit is not within the predetermined range, the control unit causes the second light emitting unit to emit the auxiliary light. The imaging apparatus according to claim 4, wherein the imaging device is controlled to be a light emitting unit to be irradiated. 前記制御手段は、前記取得手段により取得した前記照射方向に関する情報が前記第１の発光部の照射方向が前記所定の範囲内であることを示す場合、前記第１の発光部を発光させる前に前記第１の発光部の照射方向を前記基準方向に変更させることを特徴とする請求項４又は５に記載の撮像装置。When the information on the irradiation direction acquired by the acquisition unit indicates that the irradiation direction of the first light emitting unit is within the predetermined range, the control unit before the first light emitting unit emits light. The imaging apparatus according to claim 4, wherein an irradiation direction of the first light emitting unit is changed to the reference direction. 前記基準方向は、撮影光軸と平行な方向であることを特徴とする請求項２乃至６のいずれか１項に記載の撮像装置。The imaging apparatus according to claim 2, wherein the reference direction is a direction parallel to a photographing optical axis. 前記取得手段は、前記発光装置から前記第１の発光部の照射方向に関する情報を取得することを特徴とする請求項１乃至７のいずれか１項に記載の撮像装置。The imaging device according to claim 1, wherein the acquisition unit acquires information related to an irradiation direction of the first light emitting unit from the light emitting device. 撮像装置に装着可能な発光装置であって、A light-emitting device that can be attached to an imaging device,
前記発光装置の本体に対して照射方向が変更可能な第１の発光部と、A first light emitting unit capable of changing an irradiation direction with respect to a main body of the light emitting device;
前記本体に対して照射方向が固定された第２の発光部と、A second light-emitting portion whose irradiation direction is fixed with respect to the main body;
前記第１の発光部の照射方向に応じて、前記第１の発光部と前記第２の発光部のいずれか一方が、装着された撮像装置で焦点検出を行うときに補助光を照射させる発光部となるように制御する制御手段と、を有することを特徴とする発光装置。Light emission that causes one of the first light emitting unit and the second light emitting unit to emit auxiliary light when focus detection is performed by the mounted imaging device, depending on the irradiation direction of the first light emitting unit. And a control unit that controls the light emitting device to be a unit. 前記制御手段は、前記第１の発光部の照射方向が基準方向である場合、前記第１の発光部が前記補助光を照射させる発光部となるように制御することを特徴とする請求項９に記載の発光装置。The control unit controls the first light emitting unit to be a light emitting unit that emits the auxiliary light when the irradiation direction of the first light emitting unit is a reference direction. The light emitting device according to 1. 前記制御手段は、前記第１の発光部の照射方向が前記基準方向でない場合、前記第２の発光部が前記補助光を照射させる発光部となるように制御することを特徴とする請求項１０に記載の発光装置。The control means controls the second light emitting unit to be a light emitting unit that emits the auxiliary light when the irradiation direction of the first light emitting unit is not the reference direction. The light emitting device according to 1. 前記制御手段は、前記第１の発光部の照射方向が基準方向を含む所定の範囲内であるときは、前記第１の発光部が前記補助光を照射させる発光部となるように制御することを特徴とする請求項９に記載の発光装置。The control means controls the first light emitting unit to be a light emitting unit that emits the auxiliary light when the irradiation direction of the first light emitting unit is within a predetermined range including a reference direction. The light-emitting device according to claim 9. 前記制御手段は、前記第１の発光部の照射方向が前記所定の範囲内ではない場合、前記第２の発光部が前記補助光を照射させる発光部となるように制御することを特徴とする請求項１２に記載の発光装置。The control unit controls the second light emitting unit to be a light emitting unit that emits the auxiliary light when the irradiation direction of the first light emitting unit is not within the predetermined range. The light emitting device according to claim 12. 前記第１の発光部の照射方向が前記所定の範囲内である場合、前記第１の発光部を発光させる前に前記第１の発光部の照射方向を前記基準方向に変更させる照射方向変更手段を有することを特徴とする請求項１２又は１３に記載の発光装置。Irradiation direction changing means for changing the irradiation direction of the first light emitting unit to the reference direction before causing the first light emitting unit to emit light when the irradiation direction of the first light emitting unit is within the predetermined range. The light-emitting device according to claim 12 or 13, characterized by comprising: 前記基準方向は、前記第２の発光部の照射方向と平行な方向であることを特徴とする請求項１０乃至１４のいずれか１項に記載の発光装置。The light-emitting device according to claim 10, wherein the reference direction is a direction parallel to an irradiation direction of the second light-emitting unit. 前記第１の発光部の照射方向に関する情報を検出する検出手段を有し、Detecting means for detecting information related to the irradiation direction of the first light emitting unit;
前記制御手段は、前記検出手段の検出結果に応じて、前記第１の発光部と前記第２の発光部のいずれか一方が、装着された撮像装置で焦点検出を行うときに補助光を照射させる発光部となるように制御することを特徴とする請求項９乃至１５のいずれか１項に記載の発光装置。The control unit emits auxiliary light according to a detection result of the detection unit when either the first light emitting unit or the second light emitting unit performs focus detection with a mounted imaging device. The light-emitting device according to claim 9, wherein the light-emitting device is controlled so as to be a light-emitting unit to be operated. 前記第２の発光部は、所定のパターンの光を照射することを特徴とする請求項９乃至１６のいずれか１項に記載の発光装置。The light emitting device according to claim 9, wherein the second light emitting unit emits light of a predetermined pattern. 前記第２の発光部は、前記第１の発光部よりも照射範囲が狭いことを特徴とする請求項９乃至１７のいずれか１項に記載の発光装置。The light emitting device according to any one of claims 9 to 17, wherein the second light emitting unit has an irradiation range narrower than that of the first light emitting unit. 焦点検出手段と、A focus detection means;
本体に対して照射方向が変更可能な第１の発光部と、A first light-emitting unit capable of changing the irradiation direction with respect to the main body;
前記本体に対して照射方向が固定された第２の発光部と、A second light-emitting portion whose irradiation direction is fixed with respect to the main body;
前記第１の発光部の照射方向に応じて、前記第１の発光部と前記第２の発光部のいずれか一方が、前記焦点検出手段で焦点検出を行うときに補助光を照射させる発光部となるように制御する制御手段と、を有することを特徴とする撮像システム。A light emitting unit that emits auxiliary light when either one of the first light emitting unit and the second light emitting unit performs focus detection by the focus detection unit according to the irradiation direction of the first light emitting unit. An imaging system comprising: control means for controlling to be 焦点検出手段と、本体に対して照射方向が変更可能な第１の発光部と、前記本体に対して照射方向が固定された第２の発光部と、を有する撮像システムの焦点検出方法であって、A focus detection method for an imaging system, comprising: a focus detection unit; a first light emitting unit whose irradiation direction can be changed with respect to a main body; and a second light emitting unit whose irradiation direction is fixed with respect to the main body. And
前記第１の発光部の照射方向に関する情報を取得する取得ステップと、An acquisition step of acquiring information relating to the irradiation direction of the first light emitting unit;
前記第１の発光部の照射方向に応じて、前記第１の発光部と前記第２の発光部のいずれか一方が、前記焦点検出手段で焦点検出を行うときに補助光を照射させる発光部となるように制御する制御ステップと、A light emitting unit that emits auxiliary light when either one of the first light emitting unit and the second light emitting unit performs focus detection by the focus detection unit according to the irradiation direction of the first light emitting unit. A control step for controlling so that
前記第１の発光部と前記第２の発光部のいずれか一方から前記補助光を照射させて焦点検出を行う焦点検出ステップと、を有することを特徴とする焦点検出方法。A focus detection method comprising: a focus detection step of performing focus detection by irradiating the auxiliary light from any one of the first light emission unit and the second light emission unit.
JP2014036628A 2014-02-27 2014-02-27 Imaging device, imaging system, light emitting device, and focus detection method Expired - Fee Related JP6351302B2 (en)

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